Heat Metal

Casting Time: 1 action
Range: 60 feet
Duration: Concentration, up to 1 minute
Choose a manufactured metal object that you can
see within range. You cause the object to glow
red-hot. Any creature in physical contact with
the object takes 2d8 fire damage when you cast
the spell. Until the spell ends, you can use a
bonus action on each of your subsequent turns
to cause this damage again.
See PHB, pg. 250